a, body {
    color: #333;
}
body{
    background: #eeeeee;
}

        li{

            width: 250px;
            list-style: none;
        }
        ul{
            width: 270px;
            margin: auto;
        }
        h5{
            margin-left: 100px;
        }
        h6{
            color: red;
            font-size: 100px;
        }
        .yzbtn{
            margin-left: 200px;
        }

        nav{
            display: flex;
            justify-content: space-between;

        }
        .collapse{
            margin-left: 200px;
        }
        .nav-item{
            margin-right: 100px ;
        }
        .form-inline{
            margin-right: 400px;
        }
        .logo{
            font-size:25px;
            margin-top: -8px;
        }

        nav{
             background: #f1f1f1;
            display: flex;
            justify-content: space-between;

        }
        .collapse{

            margin-left: 200px;
        }
        .nav-item{
            margin-right: 100px ;
        }
        .form-inline{
            margin-right: 400px;
        }
        .logo{
            font-size:25px;
            margin-top: -8px;
        }


      .list-group-item{
          background:#c8c8c8;
            margin: 0 auto;
            padding: 15px;
            position: relative;
        }
        .iconn{
            position: absolute;
            left: 20px;
            top: 22px;
        }
        body{
            background: #f1f1f1;
        }
        .bg-light {
            background: #eeeeee !important;
        }


        ul{
            margin-top: 10px;
            background: white;
            width: 300px;
            height: 500px;
            margin: auto;
            border-radius: 10px;
        }
        #sign_up_btn{
            background: #42c02e;
            border-radius: 30px;
            border: none;
            padding:50px auto;
            height: 40px;
            width: 250px;
            margin: auto;
        }
        input{
            /*background: #c8c8c8;*/
            padding-left:20px ;

        }